Values for the five measured outcomes in the KOOS questionnaire (n = 154), the eight measured outcomes in the SF-36 questionnaire (n = 152), and the outcomes in Lysholm score (n = 154) for subjects with and without osteoarthritis and for operated and non-operated subjects
| Study group | OA (n = 50) | No OA (n = 72) | Operated (n = 89) | Non-operated (n = 65) | |
|---|---|---|---|---|---|
| Values are mean values (95% confidence interval). | |||||
| ADL, activities of daily living; KOOS, knee injury and osteoarthritis outcome score; QOL, knee related quality of life; SF-36, medical outcomes study 36 item short form health survey; Sport/rec, sport and recreation function. | |||||
| KOOS (n = 154) | |||||
| Pain | 84 (81.9 to 87.1) | 85 (80.2 to 89.9) | 84 (81.2 to 87.3) | 86 (82.2 to 89.2) | 83 (79.1 to 86.7) |
| Symptoms | 76 (72.5 to 79.0) | 73 (66.9 to 78.7) | 77 (73.3 to 81.1) | 75 (70.4 to 79.6) | 77 (72.3 to 81.2) |
| ADL | 90 (88.3 to 92.6) | 91 (87.1 to 95.3) | 90 (87.5 to 92.7) | 91 (88.5 to 94.0) | 89 (85.9 to 92.9) |
| Sport/rec | 63 (58.9 to 68.0) | 64 (55.5 to 72.0) | 63 (57.7 to 68.8) | 64 (57.7 to 70.1) | 63 (55.9 to 69.6) |
| QOL | 60 (56.2 to 63.9) | 61 (55.1 to 67.2) | 60 (54.5 to 64.6) | 62 (56.6 to 67.1) | 58 (51.6 to 63.6) |
| SF-36 (n = 152) | |||||
| Physical function | 84 (82.1 to 86.8) | 84 (80.0 to 88.4) | 85 (81.8 to 87.5) | 84 (80.4 to 86.9) | 86 (82.3 to 89.1) |
| Role–physical | 81 (76.5 to 86.4) | 84 (75.1 to 91.4) | 80 (74.2 to 86.6) | 83 (76.4 to 88.9) | 80 (71.4 to 87.9) |
| Bodily pain | 74 (70.6 to 78.0) | 76 (69.0 to 82.6) | 74 (69.1 to 78.0) | 75 (70.2 to 80.1) | 73 (67.6 to 78.8) |
| General health | 82 (79.4 to 84.8) | 86 (82.2 to 89.8) | 80 (76.6 to 83.8) | 82 (78.7 to 85.5) | 82 (77.5 to 86.7) |
| Vitality | 71 (67.5 to 74.1) | 71 (64.8 to 77.2) | 71 (66.7 to 74.7) | 71 (67.0 to 76.1) | 70 (64.8 to 74.8) |
| Social functioning | 94 (91.3 to 95.8) | 96 (92.9 to 99.1) | 92 (89.4 to 95.4) | 93 (90.2 to 96.2) | 94 (90.7 to 97.6) |
| Role–emotional | 91 (87.4 to 94.6) | 94 (88.7 to 99.3) | 90 (84.4 to 94.2) | 92 (87.8 to 97.1) | 89 (83.3 to 94.8) |
| Mental health | 86 (84.4 to 88.5) | 88 (84.5 to 91.4) | 86 (83.1 to 88.3) | 87 (84.1 to 89.4) | 86 (82.6 to 89.4) |
| Lysholm scale (n = 154) | 77 (73.5 to 79.6) | 76 (71.1 to 81.7) | 77 (73.1 to 80.7) | 78 (73.4 to 81.7) | 75 (70.8 to 79.8) |